Singular
die
Diagnose
diagnosis
Plural: die Diagnosen
Why does the noun Diagnose have the article die?
About 90% of nouns ending in -e are feminine.
Examples
die Lampe (lamp), die Schule (school), die Tasche (bag), die Klasse (class), die Straße (street), die Sonne (sun), die Blume (flower)
Exceptions
der Junge (boy), der Löwe (lion), der Affe (monkey), der Name (name), der Käse (cheese), das Ende (end), das Auge (eye)
Declension table for German noun Diagnose
How it changes across the four cases.
| Case | Definite | Indefinite | Negative |
|---|---|---|---|
| Nominativ | die Diagnose | eine Diagnose | keine Diagnose |
| Akkusativ | die Diagnose | eine Diagnose | keine Diagnose |
| Dativ | der Diagnose | einer Diagnose | keiner Diagnose |
| Genitiv | der Diagnose | einer Diagnose | keiner Diagnose |
| Nominativ | die Diagnosen | Diagnosen | keine Diagnosen |
| Akkusativ | die Diagnosen | Diagnosen | keine Diagnosen |
| Dativ | den Diagnosen | Diagnosen | keinen Diagnosen |
| Genitiv | der Diagnosen | Diagnosen | keiner Diagnosen |
Examples in context
Real sentences using Diagnose in different cases.
| Case | Definite | Indefinite | Negative |
|---|---|---|---|
| Nominativ | Die neue Diagnose ist wichtig.The new diagnosis is important. | Eine klare Diagnose kommt bald.A clear diagnosis is coming soon. | Keine falsche Diagnose ist einfach.No wrong diagnosis is simple. |
| Akkusativ | Ich brauche die neue Diagnose.I need the new diagnosis. | Wir suchen eine klare Diagnose.We are looking for a clear diagnosis. | Er hat keine falsche Diagnose nicht.He doesn't have any wrong diagnosis. |
| Dativ | Er hilft der neuen Diagnose.He helps the new diagnosis. | Sie spricht mit einer klaren Diagnose.She talks with a clear diagnosis. | Ich glaube keiner falschen Diagnose.I don't believe any wrong diagnosis. |
| Genitiv | Die Wichtigkeit der neuen Diagnose ist hoch.The importance of the new diagnosis is high. | Der Beginn einer klaren Diagnose war schwer.The beginning of a clear diagnosis was difficult. | Der Wert keiner falschen Diagnose ist gering.The value of no wrong diagnosis is low. |
| Nominativ | Die neuen Diagnosen sind wichtig.The new diagnoses are important. | Viele klare Diagnosen sind nötig.Many clear diagnoses are necessary. | Keine falschen Diagnosen sind einfach.No wrong diagnoses are simple. |
| Akkusativ | Sie bekommen die neuen Diagnosen.They get the new diagnoses. | Ich brauche viele klare Diagnosen.I need many clear diagnoses. | Wir finden keine falschen Diagnosen mehr.We don't find any wrong diagnoses anymore. |
| Dativ | Wir gehen zu den neuen Diagnosen.We go to the new diagnoses. | Ich arbeite mit vielen klaren Diagnosen.I work with many clear diagnoses. | Er gibt keinen falschen Diagnosen Geld.He gives no wrong diagnoses money. |
| Genitiv | Die Farbe der neuen Diagnosen ist hell.The color of the new diagnoses is bright. | Die Größe vieler klarer Diagnosen ist klein.The size of many clear diagnoses is small. | Die Form keiner falschen Diagnosen ist rund.The shape of no wrong diagnoses is round. |
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Frequently asked questions
Everything you might wonder about der, die, das — and the Der Artikel app.
Is it der, die, or das Diagnose?
It is die Diagnose. In German, every noun has a grammatical gender, and Diagnose is feminine. You should always learn the article together with the noun to ensure your German grammar is correct.
What CEFR level is the word Diagnose?
The German noun Diagnose is categorized as Intermediate (B1) vocabulary. It is considered an essential word for learners at this level.
What is the plural of die Diagnose?
The plural form of die Diagnose is die Diagnosen. In German, regardless of the singular gender, all plural nouns use the definite article “die.”
What does die Diagnose mean in English?
The German word die Diagnose translates to “diagnosis” in English.
How do you decline die Diagnose?
Like all German nouns, Diagnose changes its article depending on the case. In the singular, the forms are:
- Nominativ: die Diagnose
- Akkusativ: die Diagnose
- Dativ: der Diagnose
- Genitiv: der Diagnose
These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.
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Strong Standard declension — no extra -(e)n. The 96% majority.
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